Other name: 乙女はお姉さまに恋してる, OtoBoku, Otome wa Boku ni Koi Shiteru, The Maidens are Falling in Love with the Elder Sister
Summary: Mizuho can't believe his ears when Grandpa's will is read out. Grandpa's final wish is for Mizuho to attend the same academy as Mizuho's mother. The catch is it's an all-girls school. With the help of his friend Mariya however, he gets a makeover good enough to fool everyone at the academy.